The portable High Energy Spark Igniter (HEP-2) includes an electronic 2kV ignition module powered from an internal battery pack and an integrated mains power charger. The unit is designed for safe hand operation for ignition of gas burners in a range of applications which include refineries and furnaces. It may also be used to light small No. 2 oil burners.

The portable device is equipped with a pushbutton to start the sparking system. To prevent accidental ignition, it is necessary to first turn the unit on, then to operate a separate pushbutton. The unit will spark until the button is released.